Research on the possibility of reducing the error in measuring the phase shift of radio signals

Sergey Matvienko; Grygoriy Tymchyk; Kostiantyn Vonsevych; Nataliia Stelmakh

doi:10.35784/iapgos.7261

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Published: Sep 30, 2025

DOI: https://doi.org/10.35784/iapgos.7261

Issue Vol. 15 No. 3 (2025)

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Research on the possibility of reducing the error in measuring the phase shift of radio signals
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DOI

https://doi.org/10.35784/iapgos.7261

Authors

Sergey Matvienko

s.matvienko@kpi.ua

National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department, Ukraine

https://orcid.org/0000-0002-7547-4601

Grygoriy Tymchyk

deanpb@kpi.ua

National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department, Ukraine

https://orcid.org/0000-0003-1079-998X

Konstantin Vonsevych

k.vonsevich@kpi.ua

National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department, Ukraine

https://orcid.org/0000-0002-4047-4193

Nataliia Stelmakh

n.stelmakh@kpi.ua

National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department, Ukraine

https://orcid.org/0000-0003-1876-2794

Abstract

The possibility of reducing the error in measuring the phase shift of radio signals by the orthogonal method using analogue quadrature demodulators in solving scientific and technical problems in energy, non-destructive testing, research on determining the composition of substances, in radar, radio navigation and radio direction finding is considered. The results of a mathematical analysis of the error in determining the phase shift of radio signals are provided, taking into account the main deviations of the technical characteristics of analogue quadrature demodulators from the ideal mathematical model, which made it possible to evaluate the effectiveness of the proposed improvements. To reduce the error in measuring the phase shift of radio signals by the orthogonal method using analogue quadrature demodulators, it is recommended to use the method of determining the phase shift in the control object at different phase shifts of the query signal applied to the control object. To achieve maximum accuracy, a sufficient number and maximum step of phase shifts of the query signal have been determined.

Keywords:

phase shift, orthogonal method, quadrature demodulator, non-destructive testing

References

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Matvienko, S., Tymchyk, G., Vonsevych, K., & Stelmakh, N. (2025). Research on the possibility of reducing the error in measuring the phase shift of radio signals. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 15(3), 67–72. https://doi.org/10.35784/iapgos.7261

Author Biographies

Grygoriy Tymchyk, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department

Professor, Doctor of Technical Sciences, specialty - optical devices and spectroscopy, instrument-making faculty of Kyiv Polytechnic Institute. Deputy chairman of the scientific expert council on instrument-making of the ministry of education and science of Ukraine

Konstantin Vonsevych, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department

Associate professor in automation and computer-integrated technologies department from the National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", faculty of instrumentation ingineering.

Nataliia Stelmakh, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department

Associate professor in department of instrument production and engineering at the faculty of instrumentation engineering, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"

Research on the possibility of reducing the error in measuring the phase shift of radio signals

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Grygoriy Tymchyk, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department

Konstantin Vonsevych, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department

Nataliia Stelmakh, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department

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Grygoriy Tymchyk, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department

Konstantin Vonsevych, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department

Nataliia Stelmakh, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Computer-Integrated Technologies of Device Production Department